NTB18-057c

Classification:
Reference:
DA18-017c
Date:
NTB18-057c
February 3, 2021
2018 LEAF; MALFUNCTION AND AEB WARNING LIGHTS ON
This bulletin has been amended. See AMENDMENT HISTORY on the last page.
Discard all previous versions of this bulletin.
APPLIED VEHICLES:
2018 LEAF (ZE1)
IF YOU CONFIRM
Malfunction and Automatic Emergency Braking (AEB) warning lights are ON with DTCs:

C1B84-00 – (DIST SEN MALFUNCTION)

C1A17-49 – (CONTROL UNIT (INTERNAL ELECTRONIC ERROR))
Figure 1
ACTION
1. Install the new Distance Sensor.
2. Add a foam strip to the new Distance Sensor.
3. Perform Radar Alignment.
IMPORTANT: The purpose of ACTION (above) is to give you a quick idea of the work you
will be performing. You MUST closely follow the entire SERVICE PROCEDURE as it
contains information that is essential to successfully completing this repair.
Nissan Bulletins are intended for use by qualified technicians, not 'do-it-yourselfers'. Qualified technicians are
properly trained individuals who have the equipment, tools, safety instruction, and know-how to do a job
properly and safely. NOTE: If you believe that a described condition may apply to a particular vehicle, DO
NOT assume that it does. See your Nissan dealer to determine if this applies to your vehicle.
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SERVICE PROCEDURE
1.
Remove the old Distance Sensor from the vehicle.

2.
Refer to the Electronic Service Manual (ESM), Section REPAIR > CRUISE
CONTROL & DRIVER ASSISTANCE > CRUISE CONTROL SYSTEM > REMOVAL
AND INSTALLATION > DISTANCE SENSOR (ICC SENSOR), for removal
information.
Install the new Distance Sensor and
torque the nuts in the pattern shown in
Figure 2.

The Distance Sensor is listed in the Parts
Information section of this bulletin.

Do not drop or impact the Distance
Sensor.

Torque the nuts to:
10.0 Nꞏm (1.0 kg-m, 7 ft-lb).

Make sure Distance Sensor harness is
installed without any twists.
3.
Figure 2
Clean the surfaces of the new Distance Sensor, shown in Figure 3.

Use a soft cloth and isopropyl alcohol.

Do not allow any isopropyl alcohol into the vent, shown in Figure 4.

Do not drop or impact the Distance Sensor.
Do not allow any isopropyl
alcohol into vent
Clean these
areas
Figure 3
Distance Sensor
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Figure 4
NTB18-057c
4.
Attach the foam strip to the Distance
Sensor as follows:

End of
foam strip
The foam strip is listed in the Parts
Information of this bulletin.
a. Remove the self-adhesive
protection strip from the foam strip.
b. Align one end of the foam strip to
the driver’s side and raised edge
of the Distance Sensor where
shown in Figures 5, 6, 7 and 8,
and then start to attach.
Driver’s side of
the Distance
Sensor
Figure 5
Raised edge
of the Distance
Sensor
Front of
vehicle

Figure 6 illustrates the alignment of
the rear facing edge of the foam strip
against the raised edge of the
Distance Sensor.
Distance Sensor
Figure 6
c. Continue to attach the foam strip along the raised edge of the Distance Sensor.
 Press firmly to make sure that there is good adhesion between the foam strip
and the Distance Sensor.
Raised edge
of the Distance
Sensor
Front of
vehicle
Foam strip
Distance Sensor
Figure 7
Figure 8
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NTB18-057c
Foam strip
d. Fold the foam strip down the
passenger’s side of the
Distance Sensor and attach
where shown in Figure 9.
Figure 9
5.
Install the remaining components in the reverse order of removal.
6.
Perform Radar Alignment.

Distance Sensor
Refer to the ESM, Section DIAGNOSIS > CRUISE CONTROL & DRIVER
ASSISTANCE > CRUISE CONTROL SYSTEM > BASIC INSPECTION > ICC > ICC
SENSOR ALIGNMENT, for alignment information.
IMPORTANT: Radar Alignment MUST be performed whenever the Distance
Sensor, or components that the Distance Sensor is attached to, are moved, repaired
or replaced.
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NTB18-057c
PARTS INFORMATION
DESCRIPTION
PART NUMBER
QUANTITY
SENSOR ASSY-DISTANCE (Distance Sensor)
28438-5SA0C
1
BRACKET-DISTANCE SENSOR_(FOAM) (Foam Strip)
28452-5SA0D
1
NOTE:
 The new Distance Sensor will have a mounting tab colored green or yellow, yellow
mounting tab shown in Figure 10.
 Sensor is shown uninstalled and is for reference only.
Mounting tab colored
green or yellow
(yellow shown)
Figure 10
Distance Sensor
28438-5SA0C
CLAIMS INFORMATION
Submit a Primary Part (PP) type line claim using the following claims coding:
DESCRIPTION
PFP
OP CODE
SYM
DIA
FRT
Install Distance Sensor
(1)
RX6JAA
ZE
32
0.9
(1) Reference the electronic parts catalog and use the Distance Sensor (28438-*****) as
the Primary Failed Part (PFP).
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NTB18-057c
AMENDMENT HISTORY
PUBLISHED DATE REFERENCE
DESCRIPTION
August 7, 2018
NTB18-057
Original bulletin published.
August 17, 2018
NTB18-057a
Updated the color of the distance sensor mounting
tab to yellow.
January 18, 2019
NTB18-057b
The reference to the color of the distance sensor
mounting tab has been updated to include green or
yellow.
February 3, 2021
NTB18-057c
Classification number updated
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NTB18-057c